huge icebergs on the continental shelf are tracked by radar
massive antarctic ice shelf will be gone within years, nasa says
the view of a tabletop ice shelf in antarctica.
antarctica: iceberg from larsen-c ice shelf drifts into warmer
搭乘飞机飞越西南极洲的菲尔希纳龙尼冰棚(filchner-ronne ice shelf